8 instances from 2 years 2018 - 7 instances Jan Feb Mar Apr May 24 Jun 23 24 2 Jun 24, 2018 2 instances 01:04:42 01:40:40 Jul 6 3 Jul 6, 2018 3 instances 17:12:49 17:35:45 23:10:29 Aug Sep Oct Nov Dec 2017 - 1 instance Jan Feb Mar Apr May Jun 22 Jul Aug Sep Oct Nov Dec